diff --git a/database/migrations/2024_11_12_195318_update_setting_email_settings.php b/database/migrations/2024_11_12_195318_update_setting_email_settings.php
new file mode 100644
index 000000000..8c52d9d81
--- /dev/null
+++ b/database/migrations/2024_11_12_195318_update_setting_email_settings.php
@@ -0,0 +1,35 @@
+<?php
+
+use App\Models\ProjectPermission;
+use App\Module\Base;
+use Illuminate\Database\Migrations\Migration;
+
+class UpdateSettingEmailSettings extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        $setting = Base::setting('emailSetting');
+        if (!isset($setting['msg_unread_time_ranges'])) {
+            $setting['msg_unread_time_ranges'] = [
+                ['00:00', '09:00'],
+                ['18:00', '23:59'],
+            ];
+            Base::setting('emailSetting', $setting);
+        }
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        //
+    }
+}
diff --git a/resources/assets/js/pages/manage/setting/components/SystemEmailSetting.vue b/resources/assets/js/pages/manage/setting/components/SystemEmailSetting.vue
index b5fed5e60..f5cef9912 100644
--- a/resources/assets/js/pages/manage/setting/components/SystemEmailSetting.vue
+++ b/resources/assets/js/pages/manage/setting/components/SystemEmailSetting.vue
@@ -63,22 +63,22 @@
                                             transfer/>
                                     </div>
                                     <Button type="default" icon="md-add" @click="onAddTimeRange">{{ $L('添加时间范围') }}</Button>
-                                    <div class="form-tip">{{ $L('仅在通知时间内发送邮件。') }}</div>
+                                    <div class="form-tip">{{ $L('仅在指定时间范围内发送邮件通知。') }}</div>
                                 </div>
                             </FormItem>
                             <FormItem :label="$L('未读个人消息')" prop="msg_unread_user_minute">
                                 <div class="input-number-box">
                                     <InputNumber v-model="formData.msg_unread_user_minute" :min="0" :step="1"/>
-                                    <label>{{ $L('分钟') }}(m)</label>
+                                    <label>{{ $L('分钟') }}</label>
                                 </div>
                             </FormItem>
                             <FormItem :label="$L('未读群聊消息')" prop="msg_unread_group_minute">
                                 <div class="input-number-box">
                                     <InputNumber v-model="formData.msg_unread_group_minute" :min="0" :step="1"/>
-                                    <label>{{ $L('分钟') }}(m)</label>
+                                    <label>{{ $L('分钟') }}</label>
                                 </div>
                             </FormItem>
-                            <div class="form-tip">{{$L('填写-1则不通知，误差±10分钟')}}</div>
+                            <div class="form-tip">{{$L('未读消息超过指定时间后发送邮件通知，设为-1则不通知。')}}</div>
                         </Form>
                     </FormItem>
                 </div>